19,876 Topics
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| | Hi I stumpled upon some c-code, which syntactically is different from what I've seen before. [LIST=1] [*]first [CODE=c] void strreverse(char* begin, char* end) { char aux; while(end>begin) aux=*end, *end--=*begin, *begin++=aux; } [/CODE] Would this be the same as [CODE=c] void strreverse(char* begin, char* end) { char aux; while(end>begin){ aux=*end; *end--=*begin; … |
 | I m trying to find the biggest number in the array but problem is that it keeps returning one [code] #include <stdio.h> int FindBiggest(int *arr,int choice) { int i; int num=0; for(i=0;arr[i]<=sizeof arr;i++) { if(num<arr[i]) num=arr[i]; } return num; } int main(void) { int arr[]={0,5,3}; int result; result=FIND_NUM(arr,BIGGEST); printf("%d\n",result); getchar(); … |
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| | Hello, I need some help if anyone has an idea. I'm working a memory management simulator trying to implement a mark & compact algorithm. To do that I need a function that can move/copy a block of memory from address A to address B. I tried using [CODE]memmove (dst, src, … |
| | Dear Guys, I am Simone from Rome. I have a problem. I need to write an algorithm for the encryption of data, and to implement it I need to work with integer numbers of about 100 ciphers (for example I need to make a multiplication between 2 numbers of 70 … |
| | Could someone explain how to get to the answers. I read the book from class and cannot find the answers to the last 3 problems. I am not asking for the answers, just how to figure to resolve the problem. I appreciate the help. Consider the following selection statement where … |
| | I am constructing the control flow of the program. I am reading the bb.ls file and in that file I will search for ‘b’(branch instruction), if ‘b’ is found I create a newnode and store the node count and store the address of the next node( linked list). My doubt …  |
| | When i handling my project exception occurs thread aborted.  |
 | Hi im trying to get a sort function working in a program im writing, basically ive got an array of structures of [code=c] struct person { char name[20]; char address[20]; char address2[20]; char tphneno[12]; char email[30]; }; [/code] and i want a function to sort them alphabetically by name in … |
| | I can send correctly, but I can't read. Can you give me any code, ideas, and links. Thanks |
| | I have been testing a C++ based SDK and now i have a few questions for you that i hope you will answer . 1. When passing objects between each other is it preffered to use references if not what then? 2. Is it good or bad to make a … |
| | Hi all , My question is that I want to know if possible I use C language dealing with windows such as I create a folder ,file, and show for example a pop up message says hi when windows starts to operate . I mean can I do these kind …  |
| | does anyone know how to make a c++ program that types what you tell it to in to a text field on a website. for example: cout << "Hello"; how do you get this to print in to a text field on a website?  |
| | Programming in c and we must use Miracle c for this course. I had my USD * MXN working prior to adding a numbers only validation. Now the code works as I want it to except for the correct calculation. Any suggestions would be appreciated. [code] #include<stdio.h> #include<ctype.h> #include <math.h> … |
| | Hello all, I worte a structure and filled the data, then i need to send them on tcp socket. before that i need to send only few data and i need to split them into bytes and need to store them in other array. Here is the code below [code=c] … |
| | I need to do a C program where user will be able to change the system time. I'm looking for this at some websites, but I can't find how to solve this. How do I change the system time using C on Linux? Any clue? 10x |
| | Hi folks. I have some code which I'm trying to do network sockets with. My dev machine is Vista with C# Express 2008 and the target machine is running Windows 2000 (no visual studio) Here is my Network class [CODE] using System; using System.Collections.Generic; //using System.Linq; using System.Text; using System.Windows.Forms; … |
| | Heres a snippet of my code: [code=cplusplus] int main(); { string cmd1; int cmd2; cout << "Command: " << flush; cin >> cmd1; if (cmd1 == "playlist") { cin >> cmd2; if (cmd2==XXXXXX) { cout << "Illegal command: " << cmd1 << endl; } else cmdPlaylist(cmd2); } return 0; } … |
| | Hi everyone, I get stuck with this homework. May be someone here can help me. I must combine two txt file, line by line. My first datafile contain 1 column, contain float numbers and the other contain many columns, also float numbers (Here i attached both the txt files). For … |
| | Hi, all. Have anyone ever implemented strings encrypting with libmcrypt? Especially, interested in MCRYPT_RIJNDAEL_256 with MCRYPT_OFB mode. Tried to implement following the example from docs, but always gaining segmentation fault. Seems to me, that i missed something with iv size and block buffer size. Would be happy, if somebody provide … |
| | I'm writing a program where I have a variety of input commands. Lets say here are my three commands: info playlist # quit info - gives me information quit - terminates the program The problem: playlist # - The command playlist # means I need to cout a number of … |
| | Hi, I want to write a code which takes an array of 20 characters and deletes all spaces between characters, it should leave only letters. For example: input :[B] d a n i w e b[/B] I want to make it :[B] daniweb[/B] I wrote this code, but it didn't … |
| | Hi, I'm new to the C++ community hope you guys can give me some guidance. The program I'm making is suppose to read information from a file called music.txt Inside this file there is information about songs in the following format: Bandname, Songname, Duration of the Song, Here a partial … |
| | Hello Once again I must seek help from those who know what it is that they are doing and I am not... Right now we are usng Visual Studio 2005 for VB and C++ and my visual studio is defaulting to C++ upon opening the program. How do I stop … |
| | Hi. I'm fairly new to programming, and I'm trying to make a rock paper scissors simulator (text based). One problem I have, however, is that my compiler repeatedly tells me that a 'void value not ignored as it ought to be' prevents me from running my program. Here's the snippet … |
| | I'm trying to teach myself C++ through internet tutorials and such. Right now I'm trying to write a program that find the diameter and radius of a circle if the circumference is entered, and does the same if one of the other two measurements is entered instead. I'm using switch/case … |
 | alright, I did this without the help of documentation or help forums, I just sorta, figured it out on my own--and hacked together some code to make it work, and I'm super proud, so bare with me: I compiled a C DLL, which was loaded into a VB6 app. The … |
| | Hi, i need to transfer binary data over socket and write the data to a file. Can anyone please help me out with this issue. I am using fread() to read the file and fwrite() to write the file,send() and recv() as the socket calls. I am able to transfer … |
 | Hello, I am starting out with learning C# language. Recently, I bought a book "VISUAL C# 2005, How to Program by Deitel". Later I found that there is 2008 version of C#. Would you please tell me what is the difference between these two versions of the language? Is it … |
| | Hi, I'm new here. I am an IT student in my third week of my first programming class learning the fundamentals such as algorithms, pseudocode, etc. I do not want to post my pseudocode in the forum because other students taking the same course may be able to cheat. The … |
 | C-programming, a that would want to help. I have a problem with the reference to a correct return of the key more words. Does the face make my compiler says that identificatore is not defined as the return of the multiple of the place of the connection, the one that … |
| | Hi, I am having trouble whit writing a code for game of life.. This is what I came up with; [code] #include <stdio.h> #include <stdlib.h> void header(void); void survivalRule(char [][20], int, int); void birthRule(char [][20], int, int); void deathRule(char [][20], int, int); int main(void) { char Life[20][20]; int orgs, gens; … |
| | Hi Everyone. I'm pretty new to C++ and C, but I have experience with other languages (not OOP). I'm working on a project that requires me to take a working source code in C++ and convert it run in C. Luckily the inheritance diagram isn't too bad, so theoretically, I … |
| | im going to risk getting a beating, because this is something i should (used to?) know... anyhoo, given a function, how do you tell the size of the array that is passed? obviously trying to find the sizeof the pointer doesn't work (it returns the size of the pointer, duh) … |
| | Hi All, Currently i'm using `sprintf` to copy from pointer variable to a character array. `sprintf(length,"%.*s",(int)len,part1);` where part1 is a pointer to a character array.. length is a characteter array too. Is there a way i can do the above thingy to copy the part1 to a integer variable? Thanks … |
 | I have difficulties to implement variable length argument to my C function. |
| | I am doing a program on payroll before any deductions are made but i seem to be encountering some problems. Here is the program [code=cplusplus] # include <stdio.h> # include <string.h> # include <stdlib.h> # include <fstream> # include <iostream> # include <cstring> using namespace std; typedef struct { char …  |
| | Hello I made the following program for someone on this site that had requested the game. I didn't have a problem making it. During some tests I conducted I ran into a problem, at least what had seemed like a problem. Player 1 will win on average 90-96% of the … |
| | [code=c] #define AUID 34567 #include <stdio.h> #include <math.h> int main() { float id = AUID; int floatSize = sizeof(float); unsigned char *bits; int i, part2; int mant = 128; bits = (unsigned char*) &id; for (part2 = 0; part2 < sizeof(bits); part2++) { printf("+"); for(i = 0; i < 8; … |
 | Hi everybody, I have found these books [URL="http://www.amazon.com/Learning-OpenCV-Computer-Vision-Library/dp/0596516134/ref=sr_1_1?ie=UTF8&s=books&qid=1242936833&sr=1-1"]Learning OpenCV: Computer Vision with the OpenCV Library[/URL] from [B]AMAZON[/B] and this: [URL="http://www.papasotiriou.gr/product.ebook.asp?pfid=1761941&prid=1016178"]Learning OpenCV[/URL] from my [B]LOCAL[/B] store Which one do you suggest to buy? Should I wait and order the first one? OR is the second at my local store as good … |
| | I took a test last night and I had a program due at the end. I could not figure out. I would like to understand what I did wrong and what I need to remember for future reference. Here is what I had and the instructions. Using the Visual Studio … |
| | Say I got a number, I enter it in. (like 5). Now I want to convert that to a text string that represents that number (five). I also want it so that if I were to print a big number like 543 or something it will print that out in … |
| | Hello, Does anyone have a clue why using setitimer() and SIGALRM won't work if you modify the terminal using termios.h? Every time I run it I get segfault or the original signal handler (not the one I set). Just having [CODE] struct termios oldTerm, newTerm;[/CODE] seems to cause trouble. If … |
| | I've got to write an application in C which can take an input file containing RISC instructions and then output (both to screen and an output file) the encoded version of these instructions. I will be working with the following op-classes: 0 1A 2A 2B 2C 3A 3B 3C 3D … |
| | Hello! I'm having some trouble understanding how arrays are passed. From my understanding, my code here passes a pointer to the first element of the blah array, which is "var1=5". My question then is how can I move to the next element of my blah array, "var2=234234" in my filevars() … |
| | Hi there, I tried to use the above compiler for C.For every program I get the following message. I followed the tutorials,but can't figure out what am I missing in order to compile and run programs efficiently.It is not the code,as I have tried a number of programs which run … |
| | hey there..can you please help me write a C program to put the Caps Lock on?? |
| | Is there a function in C which can read dual delimiters, there is strtok which works using a single delimiter.. Is i need to decode a file as such 123#!45!2#!678#!666#!45!6#! in the above case #! is the delimter, if i use strtok and use(#! as delimiter) 45!2 in the above … |
| | code is : code is : path = (char*)malloc(100); pname = (char*)malloc(100); path = "ragHu"; strcpy(pname, path); free(path); whats wrong with this? |
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